<script lang="ts" setup>
import useStore from "@/store";
import { useRoute } from "vue-router";
import { watchEffect, ref } from "vue";
import { storeToRefs } from "pinia";
import GoodsImage from "./components/goods-image.vue";
import GoodsSales from "./components/goods-sales.vue";
import GoodsName from "./components/goods-name.vue";
import GoodsSku from "./components/goods-sku.vue";
import GoodsDetail from "./components/goods-detail.vue";
import GoodsHot from "./components/goods-hot.vue";
import Message from "@/components/message/index";
import { CartItem } from "@/types/cart";
const { goods, cart } = useStore();
const { info } = storeToRefs(goods);
const route = useRoute();
const count = ref(1);
watchEffect(() => {
  const id = route.params.id as string;
  if (id && route.fullPath === `/goods/${id}`) {
    goods.resetGoodsInfo();
    goods.getGoodsInfo(id);
  }
});

let currentSkuId = ref("");
const changeSku = (skuId: string) => {
  currentSkuId.value = skuId;
  const sku = info.value.skus.find((item) => item.id === skuId);
  if (sku) {
    info.value.inventory = sku.inventory; // 更新库存
    info.value.price = sku.price; // 更新价格
    info.value.oldPrice = sku.oldPrice; // 更新老价格
  }
};
const addCart = async () => {
  if (!currentSkuId.value) {
    return Message.warning("请选择完整规格信息");
  }
  const sku = info.value.skus.find((item) => item.id === currentSkuId.value);
  const arr = sku?.specs.map((item) => `${item.name}:${item.valueName}`);
  const attrsText = arr?.join(" ");
  console.log("arr->", attrsText);

  await cart.addCart({
    id: info.value.id,
    name: info.value.name,
    picture: info.value.mainPictures[0],
    price: info.value.price,
    count: count.value,
    skuId: currentSkuId.value,
    attrsText: attrsText || "",
    selected: true,
    nowPrice: info.value.price,
    stock: info.value.inventory,
    isEffective: true,
  } as CartItem);
  Message.success("加入购物车成功");
};
</script>
<template>
  <div class="xtx-goods-page" v-if="info.categories">
    <div class="container">
      <!-- 面包屑 -->
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem :to="`/category/${info.categories[1].id}`">{{
          info.categories[1].name
        }}</XtxBreadItem>
        <XtxBreadItem :to="`/category/sub/${info.categories[0].id}`">{{
          info.categories[0].name
        }}</XtxBreadItem>
        <XtxBreadItem>{{ info.name }}</XtxBreadItem>
      </XtxBread>
      <!-- 商品信息 -->
      <div class="goods-info">
        <div class="media">
          <GoodsImage :images="info.mainPictures"></GoodsImage>
          <GoodsSales></GoodsSales>
        </div>
        <div class="spec">
          <!-- 商品名称 -->
          <GoodsName :goods="info"></GoodsName>
          <!-- 商品sku -->
          <GoodsSku :goods="info" @changeSku="changeSku"></GoodsSku>
          <!-- 数字选择框 -->
          <!-- vue3没有.sync语法，对应的.sysnc语法合并到了v-model中去 -->
          <!-- 父组件给子组件传了一个值，且子组件能将更新后的值，直接覆盖到父组件中 -->
          <XtxNumbox v-model="count" :min="2" :max="10"></XtxNumbox>
          <!-- 按钮组件 -->
          <XtxButton type="primary" style="margin-top: 20px" @click="addCart"
            >加入购物车</XtxButton
          >
        </div>
      </div>
      <!-- 商品详情 -->
      <div class="goods-footer">
        <div class="goods-article">
          <!-- 商品+评价 -->
          <div class="goods-tabs">
            <GoodsDetail :goods="info"></GoodsDetail>
          </div>
        </div>
        <!-- 24热榜+专题推荐 -->
        <div class="goods-aside">
          <GoodsHot :type="1"></GoodsHot>
          <GoodsHot :type="2"></GoodsHot>
          <GoodsHot :type="3"></GoodsHot>
        </div>
      </div>
    </div>
  </div>
</template>

<style scoped lang="less">
.goods-info {
  min-height: 600px;
  background: #fff;
  display: flex;

  .media {
    width: 580px;
    height: 600px;
    padding: 30px 50px;
  }

  .spec {
    flex: 1;
    padding: 30px 30px 30px 0;
  }
}

.goods-footer {
  display: flex;
  margin-top: 20px;

  .goods-article {
    width: 940px;
    margin-right: 20px;
  }

  .goods-aside {
    width: 280px;
    min-height: 1000px;
  }
}

.goods-tabs {
  min-height: 600px;
  background: #fff;
}

.goods-warn {
  min-height: 600px;
  background: #fff;
  margin-top: 20px;
}
</style>
